5-Amino-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-Amino-5-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
4-Amino-5-chloro-3-(chloromethyl)-2-(trifluoromethoxy)pyridine
5-Amino-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
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